TINY TIM TC-3-8-1-8X2 Hydraulic Pneumatic Cylinders TC-3/8-1/8X2

( Brand: Tiny Tim ), ( Manufacturer Part Number: TC-3/8-1/8X2 ), ( Part Type: Hydraulic Pneumatic Cylinder )

Review TINY TIM Tc-3/8-1/8x2 Tc3818x2 Used

The **Tim TC-3/8" x 1/8" x 2" (TC3818X2)** is a meticulously engineered, high-performance threaded coupling designed for precision applications in mechanical, automotive, and industrial systems where reliability and durability are paramount. Crafted from high-grade **carbon steel**, this coupling features a robust **3/8" male thread** on one end and a **1/8" female thread** on the other, allowing for versatile connections between components of varying sizes. The **2-inch overall length** provides ample space for secure engagement while maintaining a compact footprint, making it ideal for tight or confined installation areas. Its **clean, smooth threading** ensures effortless assembly and disassembly, reducing the risk of stripping or damage during repeated use. The coupling s **precision-machined surfaces** minimize friction and wear, contributing to longer service life and consistent performance under fluctuating loads or vibrations. Whether used in hydraulic systems, automotive fuel lines, or custom mechanical assemblies, this coupling delivers a seamless, leak-proof connection that withstands pressure, temperature variations, and mechanical stress with ease. Built to meet rigorous industry standards, the **Tim TC-3/8" x 1/8" x 2"** is a dependable choice for engineers and technicians seeking a balance of strength, precision, and versatility in their projects.

### **Pros and Cons of buying a Tim TC-3/8" to 1/8" x 2 (TC3818X2) Threaded Coupling**

1. **Versatile Compatibility** This coupling connects 3/8" NPT male threads to two 1/8" NPT female threads, making it useful for adapting smaller fittings to larger ones or branching connections in plumbing, automotive, or HVAC systems.

2. **Durable Construction** Tim products are generally made from brass, which is corrosion-resistant and suitable for both water and gas applications (depending on the specific material grade). The threaded design ensures a secure, leak-free connection when properly tightened.

3. **Cost-Effective** Compared to custom-made or specialized fittings, this coupling is an affordable solution for common threading needs, especially for DIY projects or small-scale repairs.

4. **Easy Installation** Requires only basic tools (wrench or pliers) and standard lubrication (pipe dope or Teflon tape) for a reliable seal. No specialized training is needed for installation.

5. **Wide Range of Applications**

- **Plumbing:** Connecting smaller supply lines to larger pipes (e.g., in irrigation or water distribution systems).

- **Automotive:** Adapting brake lines, fuel lines, or cooling system components where thread sizes differ.

- **HVAC/R:** Used in refrigerant or air line connections where size mismatches occur.

- **General Mechanical:** Suitable for pneumatic or hydraulic systems where 3/8" and 1/8" threads are used.

6. **Standardized Sizing** Follows NPT (National Pipe Thread) standards, ensuring compatibility with most North American plumbing and mechanical systems.

7. **Reusable** Unlike some disposable fittings, this coupling can be removed and reused multiple times without significant wear (if handled carefully).

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1. **Potential for Leaks** If not tightened properly or if the threads are damaged, leaks can occur, especially under pressure. Over-tightening may strip the threads, while under-tightening can cause drips or gas leaks.

2. **Thread Damage Risk** Improper handling (e.g., excessive force, cross-threading) can damage the threads on either the coupling or the connected pipes, requiring replacement.

3. **Limited Pressure Rating** While brass couplings are strong, they may not be suitable for extremely high-pressure applications (e.g., industrial steam lines or ultra-high-pressure hydraulic systems). Always check the manufacturer s specifications for the maximum working pressure (typically 200 300 PSI for standard brass fittings).

4. **Corrosion Over Time** Even brass can corrode if exposed to harsh chemicals, saltwater, or prolonged moisture. For aggressive environments, stainless steel or plastic alternatives may be better.

5. **Size Limitations** This specific coupling only works for 3/8" to two 1/8" connections. If you need different thread sizes, you ll require additional fittings.

6. **Not Heat-Resistant for Extreme Temperatures** While brass can handle moderate heat, prolonged exposure to very high temperatures (e.g., exhaust systems) may weaken the material or cause warping.

7. **Quality Variability** Some generic or low-cost brands may have inconsistent thread quality or weaker construction. Tim is a reputable brand, but always inspect the coupling for defects before use.

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The **Tim TC-3/8" to 1/8" x 2 (TC3818X2) threaded coupling** is a practical, affordable, and widely applicable fitting for connecting pipes or hoses with mismatched thread sizes. It excels in general plumbing, automotive, and mechanical applications where durability and ease of use are priorities. However, its effectiveness depends on proper installation, suitable environmental conditions, and appropriate pressure ratings.

For most **DIY projects, automotive repairs, or light-duty plumbing**, this coupling is an excellent choice due to its reliability and cost-effectiveness. If you re working with **high-pressure systems, extreme temperatures, or corrosive substances**, consider upgrading to stainless steel or plastic alternatives for added longevity.

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- You need a quick, affordable solution for connecting 3/8" to two 1/8" threads.

- The application involves water, air, or low-pressure gas (e.g., brake lines, irrigation, or HVAC).

- You re comfortable with basic plumbing tools and techniques.

- You require high-pressure or high-temperature resistance (opt for stainless steel or barbed fittings).

- The environment is highly corrosive (e.g., saltwater, chemicals) choose plastic (PVC) or stainless steel.

- You re unsure about installation practice on a scrap piece first to avoid damaging threads.

- Always use **pipe dope or Teflon tape** on threads to prevent leaks.

- Tighten gradually to avoid cross-threading.

- Store in a dry place to prevent corrosion.

- If the coupling feels loose or leaks, replace it immediately to avoid system failure.

For most users, this coupling will serve reliably, but always match it to your specific project s demands.

Details:

All products are guaranteed to be working but may show signs of use if purchasing a used product. TINY TIM TC-3/8-1/8X2 / TC3818X2 USED PNEUMATIC CYLINDER. Call to use a shipping service other than the ones listed. Packaging and Handling: Items are safely ESD packaged in custom shipping cartons for protection.

Sells new and surplus product develops channels to purchase such.

part #: tc3818x2 price

• $58.28

specifications hydraulicylind:

• brand: Tiny Tim
• mpn: Tc-3/8-1/8x2
• part type: Hydraulic Pneumatic Cylinder

offer hydraulicylind:

• quantity: 1
• availability: In Stock
• sold: 0
• started: April 12, 2026
• options: Ship-to-home

payments hydraulicylind:

• credit card: Diners-club
• other
• wallet: Google-pay

seller hydraulicylind:

• city: 1 Millennium Dr, Willingboro, NJ 08046
• rating: 99.6%
• # reviews: 1990 90

returns hydraulicylind:

• Time: 30 Days
• paid by: Buyer
• policy: Returns Accepted
• method: Money back

shipping hydraulicylind:

• transit: 27-32 Days
• class: Standard
• service: Standard
• type: Fixed
• cost: $12.90

general hydraulicylind:

• Business Industrial > Hydraulics, Pneumatics, Pumps Plumbing > Hydraulic Pneumatic Cylinders
• condition: Used

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